package com.b1502.store2.fragment;


import android.content.Intent;

import android.graphics.Rect;
import android.os.Bundle;
import android.support.annotation.Nullable;
import android.support.v7.widget.GridLayoutManager;

import android.text.TextUtils;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;


import android.widget.LinearLayout;

import com.b1502.store2.R;

import com.b1502.store2.activity.ProductDetailActivity;
import com.b1502.store2.adapter.HomeProductAdapter;
import com.b1502.store2.model.AdvertItem;
import com.b1502.store2.model.bean.HomeProductsBean;
import com.b1502.store2.network.StoreParams;
import com.b1502.store2.util.GlideImageLoader;
import com.b1502.store2.util.UrlUtil;


import com.b1502.store2.widget.StoreBar;


import com.google.gson.Gson;
import com.jcodecraeer.xrecyclerview.XRecyclerView;
import com.youth.banner.Banner;


import org.mym.plog.PLog;
import org.xutils.common.Callback;
import org.xutils.x;

import java.util.ArrayList;
import java.util.List;


public
class
HomeFragment extends BaseFragment {

    private static final String ARG_PARAM1 = "param1";
    private static final String ARG_PARAM2 = "param2";
    private List<String> stringList = new ArrayList<>();
    private List<String> stringList2 = new ArrayList<>();
    private String mParam1;
    private String mParam2;
    private View view;
    private XRecyclerView xRecyclerView;
    private Banner banner;
    private LinearLayout linearLayout;


    public HomeFragment() {
        // Required empty public constructor
    }


    public static HomeFragment newInstance(String param1, String param2) {
        HomeFragment fragment = new HomeFragment();
        Bundle args = new Bundle();
        args.putString(ARG_PARAM1, param1);
        args.putString(ARG_PARAM2, param2);
        fragment.setArguments(args);
        return fragment;
    }

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        if (getArguments() != null) {
            mParam1 = getArguments().getString(ARG_PARAM1);
            mParam2 = getArguments().getString(ARG_PARAM2);
        }
    }

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container,
                             Bundle savedInstanceState) {
        // Inflate the layout for this fragment

        view = inflater.inflate(R.layout.fragment_home, container, false);
        return view;
    }

    @Override
    public void onActivityCreated(@Nullable Bundle savedInstanceState) {
        super.onActivityCreated(savedInstanceState);
        linearLayout = (LinearLayout) view.findViewById(R.id.not_network);
        banner = (Banner) view.findViewById(R.id.banner);
        xRecyclerView = (XRecyclerView) view.findViewById(R.id.recycler_view);
        xRecyclerView.setLayoutManager(new GridLayoutManager(getActivity(), 2));
        xRecyclerView.setLoadingListener(new XRecyclerView.LoadingListener() {

            @Override
            public void onRefresh() {


            }

            @Override
            public void onLoadMore() {


            }
        });
        getAdvertItems();
        getHomeProducts(0);


    }

    //处理首页产品数据
    private void getHomeProducts(int pageIndex) {

        StoreParams params = new StoreParams(UrlUtil.GetHomeProducts, pageIndex);
        x.http().get(params, new Callback.CommonCallback<String>() {
            @Override
            public void onCancelled(CancelledException cex) {

            }

            @Override
            public void onSuccess(String result) {



                    //linearLayout.setVisibility(View.VISIBLE);
                    final HomeProductsBean[] products = new Gson().fromJson(result, HomeProductsBean[].class);
                    HomeProductAdapter homeProductAdapter = new HomeProductAdapter(getActivity(), products);
                    xRecyclerView.setAdapter(homeProductAdapter);
                    int spacingInPixels = getResources().getDimensionPixelSize(R.dimen.space);
                    xRecyclerView.addItemDecoration(new SpaceItemDecoration(spacingInPixels));
                    homeProductAdapter.setOnItemClickListener(new HomeProductAdapter.OnRecyclerViewItemClickListener() {

                    @Override
                    public void onItemClick(View view, int position) {

                        Intent intent=new Intent(getActivity(), ProductDetailActivity.class);
                        intent.putExtra("productId",products[position].getProductId());
                        getActivity().startActivity(intent);
                    }
                });

            }

            @Override
            public void onError(Throwable ex, boolean isOnCallback) {

            }

            @Override
            public void onFinished() {

            }
        });
    }

    //处理首页轮播图
    private void getAdvertItems() {
        StoreParams params = new StoreParams(UrlUtil.GetAdvertItems);
        x.http().get(params, new Callback.CommonCallback<String>() {
            @Override
            public void onCancelled(CancelledException cex) {

            }

            @Override
            public void onSuccess(String result) {


                AdvertItem[] advertItem = new Gson().fromJson(result, AdvertItem[].class);

                AdvertItem advertItem1 = advertItem[0];
                AdvertItem advertItem2 = advertItem[1];
                AdvertItem advertItem3 = advertItem[2];

                stringList.add(advertItem1.imgUrl);
                stringList.add(advertItem2.imgUrl);
                stringList.add(advertItem3.imgUrl);
                for (int i = 0; i < stringList.size(); i++) {


                    String imageUrl = UrlUtil.getImageUrl(stringList.get(i));
                    stringList2.add(imageUrl);


                }
                //适配轮播图
                banner.setImageLoader(new GlideImageLoader());
                banner.setImages(stringList2);
                banner.start();

            }

            @Override
            public void onError(Throwable ex, boolean isOnCallback) {

            }

            @Override
            public void onFinished() {

            }
        });
    }

    //设置子条目的间距
    public class SpaceItemDecoration extends XRecyclerView.ItemDecoration {

        private int space;

        public SpaceItemDecoration(int space) {
            this.space = space;
        }

        public void getItemOffsets(Rect outRect, View view, XRecyclerView parent, XRecyclerView.State state) {

            if (parent.getChildPosition(view) != 0)
                outRect.top = space;
        }
    }
}
